【Parameter】Our drill chuck key outer diameter 0.69"(17.5 mm), head diameter 0.24"(6mm),
【Material】Hegebeck 2pcs black drill Chuck Key is made of high quality carbon steel, simple and convenient, long service life.
【Design】Suitable for 3/50"-1/2"(1.5-13mm) drill chuck.
【Usage】Controlling tightness of looseness of electric drill clamping tool.Can be used in hammer or drilling mode.
【Package Included】2pcs x drill chuck key.